combine1

verb

• 1join or merge to form a single unit or substance: [with object]:combine the flour with the margarine and salt a new product which combines the benefits of a hairspray and a gel [no object, with infinitive]:high tides and winds combined to bring chaos to the east coast
• [no object] Chemistry unite to form a compound:oxygen and hydrogen do not combine at room temperatures oxygen combines with haemoglobin

• 2 [no object] unite for a common purpose: [with infinitive]:groups of teachers combined to tackle a variety of problems
• [with object] engage in simultaneously:an ideal place to combine shopping and sightseeing

noun

• a group of people or companies acting together for a commercial purpose:one of the world’s biggest food and personal products combines